Trump Has GOP Optimistic About Holding Senate Majority

Thanks to Donald Trump and an influx of millions to GOP coffers, optimism is running high again with Senate Republicans.

Faced with 24 seats to defend in the upper house and staring down a candidate they feared might sink them in swing states, Senate Republicans have spent the past few months scrambling for a strategy to maintain their majority come November.

But Trump's resurgence in national polls seems to be having an important effect on GOP Senate races in battleground states.

"As you've seen Trump improve his game and you've seen the shrinking difference between Trump and Clinton, obviously he's not the drag he was on our down-ballot candidates," Sen. John Cornyn told Politico.